A punch forming apparatus for high efficiency finned tube

Abstract

The present application relates to the field of finned tube stamping, and discloses a stamping forming device for high-efficiency finned tube, which comprises a feeding table, a feeding structure is arranged in the feeding table, a storage structure is arranged on the feeding table near the front side, a rotating structure is arranged on the middle of the feeding table, the rotating structure and a clamping structure can drive the finned tube to be stamped to rotate to the position between the upper stamping structure and the lower stamping structure, and the moving structure can move the finned tube to be stamped downward to the lower stamping structure to be stamped, at the same time, the moving structure synchronously drives the finned tube after stamping at the relative position to be discharged to the feeding structure, so that the finned tube after forming can be discharged synchronously to drive the finned tube to be stamped to be fed to the stamping position to be stamped, the discharging time of the finned tube is fully utilized, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of finned tube stamping, in particular to a stamping forming equipment for high-efficiency finned tube. BACKGROUND

[0002] ‌Finned tube is a heat exchange element that enhances heat transfer efficiency by increasing surface area, widely used in industrial fields such as boilers, power, metallurgy, etc. in high temperature, high pressure and corrosive environment; finned tube is processed by stamping forming equipment;

[0003] The stamping forming equipment in the prior art places the finned tube to be stamped on the stamping seat, and after stamping forming on the stamping seat, the formed finned tube on the stamping seat is taken down, and then other finned tubes are stamped;

[0004] But in the actual stamping process, the finned tube needs to be taken down from the stamping seat after stamping, and then another finned tube can be stamped. The time for taking the finned tube after stamping is not fully utilized, resulting in low work efficiency, so there is room for improvement. SUMMARY

[0005] In order to solve the problems raised in the background art, the present application provides a stamping forming equipment for high-efficiency finned tube.

[0006] The stamping forming equipment for high-efficiency finned tube provided by the present application adopts the following technical scheme:

[0007] A stamping forming equipment for high-efficiency finned tube, comprising a feeding table, a feeding structure is arranged in the feeding table, a storage structure is arranged on the feeding table near the front side, and a rotating structure is arranged on the middle of the feeding table;

[0008] The rotating structure comprises a first mounting plate fastened by bolts in the middle of the left and right side surfaces of the feeding table, an upper stamping structure is arranged at the top end of the two first mounting plates, a rotating column is rotatably arranged at the top end of the two first mounting plates, a first motor is installed near the top end of the left first mounting plate, the output shaft of the first motor is connected with the rotating column, and a transfer structure is arranged on the rotating column;

[0009] The transfer structure comprises a fixed cylinder fixedly arranged in the middle of the rotating column, two groups of first fixed strips are arranged on the side surface of the fixed cylinder, a clamping structure is arranged between the first fixed strips through a moving structure, four first fixed strips in each group are distributed in the radial direction of the rotating column, and a lower stamping structure is arranged at the end of the fixed cylinder.

[0010] The lower punching structure comprises a radial plate connected at the position corresponding to the first fixed strip on the end face of the fixed cylinder, the top end of the radial plate is fastened with a mounting block, one end of the first fixed strip is movably inserted into the mounting block, and a lower punching seat is arranged between every two mounting blocks.

[0011] Preferably, the moving structure comprises a sleeve block movably sleeved on each first fixed strip, a moving plate is connected between every two sleeve blocks, the clamping structure is arranged on the moving plate, a driving plate is connected to the side face of the moving plate close to the rotating column, a driving groove is formed in the driving plate, an inner groove is formed in the rotating column and the fixed cylinder close to both ends, an electric push rod is mounted on the groove wall of one end of each inner groove, a through groove is formed in the groove wall of each inner groove corresponding to each group of first fixed strips, an end block is mounted on the output shaft of the electric push rod, two driving rods are connected to the end block, the driving rods are movably inserted into the corresponding driving groove through the through groove, and the driving grooves on the two driving plates are arranged in parallel.

[0012] Preferably, the clamping structure comprises two third fixed strips connected to the side face of the moving plate away from the rotating column, two T-shaped rods are connected to each third fixed strip, a second fixed strip is movably sleeved on each group of two T-shaped rods, a clamping ring is mounted on one end of the second fixed strip, a limiting sleeve is arranged on the side face of each group of two clamping rings close to each other, a pneumatic cylinder is mounted at the middle of the side face of the moving plate away from the rotating column, a moving frame is connected to the output shaft of the pneumatic cylinder, the through rods are fixedly inserted into the extrusion grooves, a connecting strip is connected to each second fixed strip, an extrusion plate is connected to one end of the connecting strip, an extrusion groove is formed in the extrusion plate, and the through rods are movably inserted into the extrusion grooves.

[0013] Preferably, the storage structure comprises two second mounting plates fastened on the feeding table close to the front side through bolts, a storage frame is arranged on the top end of the second mounting plate, the storage frame is arranged to be inclined downward towards the first mounting plate, an end plate is connected to the lower end of the storage frame, and a baffle is connected to the side edge of the end plate close to the first mounting plate.

[0014] Preferably, the upper punching structure comprises a third mounting plate mounted on the top end of the two first mounting plates, a hydraulic cylinder is arranged on the upper surface of the third mounting plate, an upper punching seat is mounted on the bottom end of the output shaft of the hydraulic cylinder, and a deformation prevention structure is arranged on the third mounting plate.

[0015] Preferably, the deformation prevention structure comprises two deformation prevention rods movably inserted through the middle of the left and right side faces of the third mounting plate, a sleeve plate is movably sleeved on the end of the deformation prevention rod inserted out of the third mounting plate, two telescopic rods are connected between the sleeve plate and the third mounting plate, and a transmission structure is arranged between the deformation prevention rod and the upper punching seat.

[0016] Preferably, the transmission structure comprises a rotating ring rotatably arranged on the third mounting plate, the rotating ring movably sleeving the anti-deformation rod, the rotating ring fixedly sleeving the inserting rod, the anti-deformation rod being provided with a spiral groove, one end of the inserting rod being slidably arranged in the spiral groove, the rotating ring fixedly sleeving the gear, the upper stamping seat being connected with the penetrating strip at both ends, one end of the penetrating strip movably penetrating the third mounting plate and being connected with the transmission strip, the transmission strip being meshingly connected with the gear.

[0017] Preferably, the feeding structure comprises rotating rods rotatably penetrating both ends of the feeding table, the rotating rods being fixedly sleeved with belt pulleys near both ends, each group of two belt pulleys being tightly sleeved with a belt, each belt being provided with a plurality of protrusions, each protrusion being connected with a mounting rod, each group of two mounting rods being connected with a fixed plate, the fixed plate being provided with a feeding seat at the middle, the second motor being installed at the rear end of the right side surface of the feeding table, one end of the output shaft of the second motor being connected with one of the rotating rods.

[0018] In summary, the present application has the following beneficial technical effects:

[0019] 1、The present application sets rotating structure, feeding structure, upper stamping structure, stamping structure, moving structure and clamping structure, the rotating structure and the clamping structure can drive the to-be-stamped finned tube to rotate between the upper stamping structure and the lower stamping structure, and cooperate with the moving structure to move the to-be-stamped finned tube downward to the lower stamping structure for stamping, at the same time, the moving structure synchronously drives the stamped fin to move downward to the feeding structure, so that the to-be-stamped finned tube can be fed to the stamping position for stamping when the formed finned tube is discharged, the discharging time of the finned tube is fully utilized, and the work efficiency is improved.

[0020] 2、The present application sets the storage structure, the to-be-stamped finned tube can be stored on the storage structure, and when the rotating structure drives the clamping structure to rotate, the finned tube on the storage structure can be automatically taken down and automatically rotated to the stamping position for stamping work.

[0021] 3、The present application sets the anti-deformation structure and the transmission structure, so that when the upper stamping seat of the upper stamping structure moves downward for stamping, the anti-deformation rod of the anti-deformation structure is automatically driven by the transmission structure to insert into the finned tube, the anti-deformation rod is tightly attached to the inner wall of the finned tube, and the problem of deformation of the inner wall of the finned tube during stamping is avoided, and the stamping work quality is improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a structure diagram of a high-efficiency finned tube stamping forming equipment in the embodiment of the present application.

[0023] Figure 2is a structural schematic view of the structure at the feeding table in the embodiment of the present application;

[0024] Figure 3 is a structural schematic view of the structure at the first mounting plate and the third mounting plate in the embodiment of the present application;

[0025] Figure 4 is a structural schematic view of the structure at the first mounting plate in the embodiment of the present application;

[0026] Figure 5 is an enlarged view of the structure at A in the embodiment of the present application Figure 4 ;

[0027] Figure 6 is an enlarged view of the structure at B in the embodiment of the present application Figure 4 ;

[0028] Figure 7 is a structural schematic view of the structure at the third mounting plate in the embodiment of the present application;

[0029] Figure 8 is an enlarged view of the structure at C in the embodiment of the present application Figure 7 .

[0030] BRIEF DESCRIPTION OF DRAWINGS: 1, feeding table; 2, first mounting plate; 3, rotating column; 4, fixed cylinder; 5, first motor; 6, radial plate; 7, mounting block; 8, lower punching seat; 9, first fixed strip; 10, sleeve block; 11, moving plate; 12, through groove; 13, driving rod; 14, driving plate; 15, driving groove; 16, end block; 17, second fixed strip; 18, clamping ring; 19, limiting sleeve; 21, T-shaped rod; 22, third fixed strip; 23, air cylinder; 24, moving frame; 25, extrusion plate; 26, extrusion groove; 28, connecting strip; 29, second mounting plate; 30, storage frame; 31, end plate; 32, baffle; 33, rotating rod; 34, belt pulley; 35, belt; 36, second motor; 37, protruding block; 38, mounting rod; 39, fixed plate; 40, feeding seat; 41, third mounting plate; 42, hydraulic cylinder; 43, upper punching seat; 44, anti-deformation rod; 45, telescopic rod; 46, sleeve plate; 47, rotating ring; 48, insertion rod; 49, transmission strip; 50, through strip; 51, helical groove. DETAILED DESCRIPTION

[0031] The present application will be further described below in conjunction with the accompanying drawings. Figures 1-8

[0032] With reference to the accompanying drawings, Figures 1-8 the embodiment of the present application discloses a punching forming equipment for high-efficiency finned tube, which comprises a feeding table 1, feeding structure is arranged in the feeding table 1, storage structure is arranged on the feeding table 1 close to the front side, rotating structure is arranged on the feeding table 1 at the middle; ​

[0033] The rotating structure comprises first mounting plates 2 fastened by bolts at the middle of the left and right sides of the feeding table 1, the top ends of the two first mounting plates 2 are provided with upper punching structures, the rotating columns 3 are rotatably arranged at the top ends of the two first mounting plates 2, the first motor 5 is arranged at the position close to the top end of the first mounting plate 2 on the left side, the output shaft of the first motor 5 is connected with the rotating column 3, and the rotating column 3 is provided with a transfer structure;

[0034] The transfer structure comprises a fixed cylinder 4 fixedly arranged at the middle of the rotating column 3, two groups of first fixed strips 9 are arranged on the side surface of the fixed cylinder 4, the first fixed strips 9 are provided with clamping structures through a moving structure, four first fixed strips 9 in each group are distributed in the radial direction of the rotating column 3, and lower punching structures are arranged at the end portions of the fixed cylinder 4;

[0035] The lower punching structure comprises radial plates 6 connected with the end faces of the fixed cylinder 4 at positions corresponding to the first fixed strips 9, the top ends of the radial plates 6 are fastened with mounting blocks 7 through screws, one end of each first fixed strip 9 is movably inserted into the mounting block 7, and a lower punching seat 8 is arranged between each two mounting blocks 7;

[0036] The moving structure comprises sleeve blocks 10 movably sleeved on each first fixed strip 9, and moving plates 11 are connected between each two sleeve blocks 10, the clamping structures are arranged on the moving plates 11, the side face close to the rotating column 3 of the moving plate 11 is connected with a driving plate 14, a driving groove 15 is formed in the driving plate 14, inner grooves 16 are formed in the rotating column 3 and the fixed cylinder 4 close to the two ends, an electric push rod is arranged on one end of the groove wall of each inner groove 16, a through groove 12 is formed in the groove wall of each inner groove 16 at a position corresponding to each group of first fixed strips 9, an end block 17 is arranged on one end of the output shaft of the electric push rod, two driving rods 13 are connected to the end block 17, one end of the driving rod 13 passes through the corresponding driving groove 15 movably, and the driving grooves 15 on each two driving plates 14 are arranged in parallel with each other;

[0037] The clamping structure comprises two third fixed strips 22 connected to the side face of the moving plate 11 away from the rotating column 3, two T-shaped rods 21 are connected to each third fixed strip 22, a second fixed strip 18 is movably sleeved on each group of two T-shaped rods 21, a clamping ring 19 is arranged at one end of the second fixed strip 18, limit sleeves 20 are arranged on the side face close to each other of each two clamping rings 19, a pneumatic cylinder 23 is arranged at the middle of the side face of the moving plate 11 away from the rotating column 3, the output shaft of the pneumatic cylinder 23 is connected with a moving frame 24, the penetrating rod 25 is fixedly arranged at the two ends of the moving frame 24, a connecting strip 28 is connected to each second fixed strip 18, an extrusion plate 26 is connected to one end of the connecting strip 28, an extrusion groove 27 is formed in the extrusion plate 26, and the penetrating rod 25 movably passes through the extrusion groove 27;

[0038] The feeding structure comprises rotating rods 33 rotating through both ends of the feeding table 1, belt pulleys 34 fixed on the rotating rods 33 near both ends, belts 35 tightly sleeved between each two belt pulleys 34, multiple protrusions 37 arranged on each belt 35, mounting rods 38 connected to each protrusion 37, fixing plates 39 connected between each two mounting rods 38, feeding seats 40 arranged on the fixing plates 39, a second motor 36 installed on the right side of the feeding table 1, and one end of the output shaft of the second motor 36 connected to one of the rotating rods 33. First, the first motor 5 on the first mounting plate 2 drives the rotating column 3 and the fixed cylinder 4 to rotate as a whole, so that the clamping ring 19 rotates to the both ends of the finned tube on the storage structure. At this time, the cylinder 23 on the moving plate 11 drives the moving frame 24 to move towards the moving plate 11, so as to drive the penetrating rod 25 to extrude the slot wall of the extrusion slot 27 and pull the two clamping rings 19 to abut against the corresponding ends of the finned tube. The limiting sleeve 20 on the clamping ring 19 is sleeved on the finned tube to limit the position of the finned tube, so as to avoid the problem that the finned tube falls due to insufficient clamping of the clamping ring 19 during feeding. After the finned tube is clamped, the first motor 5 is continuously started to drive the rotating column 3 to rotate, so that the clamped finned tube to be punched is fed above the lower punching seat 8. At this time, the electric push rod in the corresponding inner slot 16 drives the end block 17 to move, so as to drive the one end of the driving rod 13 to slide in the corresponding driving slot 15. Through the extrusion of the driving rod 13 on the slot wall of the driving slot 15, the corresponding finned tube is pushed downward to the lower punching seat 8 for punching. At the same time, the finned tube punched and formed below the lower punching seat 8 is synchronously moved downward to the corresponding feeding seat 40, the corresponding clamping ring 19 is loosened, and the punched finned tube is discharged to the feeding seat 40. In this way, the finned tube after forming can synchronously drive the finned tube to be punched to be fed to the lower punching seat 8 for punching when it is discharged, so that the discharging time of the finned tube is fully utilized, the working efficiency is greatly improved, and the finned tube after forming can be automatically fed after being discharged by starting the second motor 36 to drive the rotating rod 33, the belt pulley 34 and the belt 35 to rotate as a whole.

[0039] Referring to Figure 2 The storage structure comprises two second mounting plates 29 fastened on the feeding table 1 near the front side by bolts, a storage frame 30 arranged at the top end of the second mounting plate 29, the storage frame 30 being downwardly inclined towards the first mounting plate 2, and an end plate 31 connected to the lower end of the storage frame 30, the end plate 31 having a baffle 32 connected to the side edge near the first mounting plate 2. The finned tube to be punched is stored in the storage frame 30. Since the storage frame 30 is inclined, the finned tube can be not only stored, but also automatically rolled to the end plate 31 after being clamped and fed on the end plate 31, so as to facilitate the feeding work of the next finned tube.

[0040] Referring toFigures 4-8 The upper punching structure comprises a third mounting plate 41 mounted on the top end of the two first mounting plates 2, a hydraulic cylinder 42 is arranged on the third mounting plate 41, an output shaft of the hydraulic cylinder 42 is provided with an upper punching seat 43, and a deformation prevention structure is arranged on the third mounting plate 41;

[0041] The deformation prevention structure comprises two deformation prevention rods 44 movably penetrating through the middle of the left and right side faces of the third mounting plate 41, a sleeve plate 46 is fixedly sleeved on the end of the deformation prevention rod 44 penetrating out of the third mounting plate 41, two telescopic rods 45 are connected between the sleeve plate 46 and the third mounting plate 41, and transmission structure is arranged between the deformation prevention rod 44 and the upper punching seat 43;

[0042] The transmission structure comprises a swivel ring 47 rotatably arranged on the third mounting plate 41, the swivel ring 47 is movably sleeved on the deformation prevention rod 44, a plug rod 48 is fixedly inserted into the swivel ring 47, a spiral groove 51 is formed in the deformation prevention rod 44, one end of the plug rod 48 is slidably arranged in the spiral groove 51, a gear is fixedly sleeved on the swivel ring 47, through-penetration strips 50 are connected to both ends of the upper punching seat 43, one end of the through-penetration strip 50 movably penetrates out of the third mounting plate 41 and is connected to a transmission strip 49, the teeth of the transmission strip 49 are meshingly connected with the gear, when the finned tube is lowered into the lower punching seat 8, the hydraulic cylinder 42 is started to drive the upper punching seat 43 to be lowered, in the process of lowering the upper punching seat 43, the transmission strip 49 and the gear drive the swivel ring 47 to rotate, the swivel ring 47 drives one end of the plug rod 48 to slide in the spiral groove 51, one end of the plug rod 48 extrudes the groove wall of the spiral groove 51 to automatically push the deformation prevention rod 44 into the finned tank on the lower punching seat 8, the deformation prevention rod 44 is tightly attached to the inner wall of the finned tube, so that the upper punching seat 43 is lowered to the lower punching seat 8 to punch the finned tube, the problem of deformation of the inner wall of the finned tube is avoided, and the punching quality is improved.

[0043] The implementation principle of the stamping forming equipment for the high-efficiency finned tube is as follows: first, the finned tube to be stamped is stored in the storage frame 30, and the finned tube stored in this way can roll on the end plate 31 in sequence when the storage frame 30 is inclined; then, the first motor 5 on the first mounting plate 2 drives the rotating column 3 and the fixed cylinder 4 to rotate as a whole, so that the clamping ring 19 is rotated to the positions of the two ends of the finned tube on the end plate 31; at this time, the cylinder 23 on the moving plate 11 drives the moving frame 24 to move towards the moving plate 11, so as to drive the penetrating rod 25 to extrude the slot wall of the extrusion slot 27 and pull the two clamping rings 19 to abut against the corresponding end portions of the finned tube, and the limiting sleeve 20 on the clamping ring 19 is sleeved on the finned tube to limit the position of the finned tube, so as to avoid the problem that the finned tube falls off due to the insufficient clamping of the clamping ring 19 during the feeding process; after the finned tube is clamped, the first motor 5 is continuously started to drive the rotating column 3 to rotate, so that the clamped finned tube to be stamped is fed to the position above the lower stamping seat 8; at this time, the electric push rod in the corresponding inner slot 16 drives the end block 17 to move, so as to drive the one end of the driving rod 13 to slide in the corresponding driving slot 15; the driving rod 13 extrudes the slot wall of the driving slot 15, so as to push the corresponding finned tube to move downwards into the lower stamping seat 8; at the same time, the finned tube stamped and formed below the lower stamping seat 8 is synchronously moved downwards to the corresponding feeding seat 40, the corresponding clamping ring 19 is loosened, and the stamped finned tube is discharged to the feeding seat 40; in this way, the finned tube to be stamped can be fed to the lower stamping seat 8 for stamping synchronously when the formed finned tube is discharged, so that the discharging time of the finned tube is fully utilized, the work efficiency is greatly improved, and the formed finned tube can be automatically fed after being discharged, so that the second motor 36 is started to drive the rotating rod 33, the belt pulley 34 and the belt 35 to rotate as a whole, so as to automatically feed the formed finned tube; during the stamping, the hydraulic cylinder 42 is started to drive the upper stamping seat 43 to move downwards; the upper stamping seat 43 moves downwards, the transmission bar 49 and the gear drive the rotating ring 47 to rotate, the rotating ring 47 drives the one end of the inserting rod 48 to slide in the spiral slot 51, the one end of the inserting rod 48 extrudes the slot wall of the spiral slot 51, so as to automatically push the anti-deformation rod 44 to be inserted into the finned tank on the lower stamping seat 8; the anti-deformation rod 44 abuts against the inner wall of the finned tube, so that the upper stamping seat 43 moves downwards to the lower stamping seat 8 to stamp the finned tube, so as to avoid the problem that the inner wall of the finned tube is deformed, improve the stamping work quality, and realize the stamping forming work of the finned tube.

[0044] The above are preferred embodiments of the present application, which do not limit the protection scope of the present application, and therefore: any equivalent changes made on the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A punch forming apparatus for high efficiency finned tube comprising a feeding table (1), characterized in that: The feeding table (1) is provided with a feeding structure, a storage structure is arranged on the feeding table (1) near the front side, and a rotating structure is arranged on the middle of the feeding table (1); The rotating structure comprises first mounting plates (2) which are fastened by bolts at the middle of the left and right side surfaces of the feeding table (1), upper punching structures are arranged at the top ends of the two first mounting plates (2), the two first mounting plates (2) are rotatably penetrated by rotating columns (3) at the top ends, a first motor (5) is installed on the first mounting plate (2) on the left side near the top end, one end of the output shaft of the first motor (5) is connected with the rotating column (3), and a transfer structure is arranged on the rotating column (3); The transfer structure comprises a fixed cylinder (4) which is fixedly sleeved on the middle of the rotating column (3), two groups of first fixed strips (9) are arranged on the side surface of the fixed cylinder (4), clamping structures are arranged between the first fixed strips (9) through a moving structure, four first fixed strips (9) in each group are distributed in the radial direction of the rotating column (3), and lower punching structures are arranged at the end portions of the fixed cylinder (4); The lower punching structure comprises radial plates (6) which are connected at the positions of the first fixed strips (9) on the end surfaces of the fixed cylinder (4), the top ends of the radial plates (6) are fastened with mounting blocks (7) through screws, one end of the first fixed strip (9) is movably inserted into the mounting block (7), and a lower punching seat (8) is arranged between two mounting blocks (7) in each group; The upper punching structure comprises third mounting plates (41) which are installed at the top ends of the two first mounting plates (2), hydraulic cylinders (42) are arranged on the upper surfaces of the third mounting plates (41), upper punching seats (43) are installed at the bottom ends of the output shafts of the hydraulic cylinders (42), and anti-deformation structures are arranged on the third mounting plates (41); The anti-deformation structure comprises two anti-deformation rods (44) which are movably penetrated through the middle of the left and right side surfaces of the third mounting plate (41), sleeve plates (46) are fixedly sleeved on the ends of the anti-deformation rods (44) penetrating out of the third mounting plate (41), two telescopic rods (45) are connected between the sleeve plates (46) and the third mounting plate (41), and transmission structures are arranged between the anti-deformation rods (44) and the upper punching seats (43); The transmission structure comprises a rotating ring (47) which is rotatably arranged on the third mounting plate (41), the rotating ring (47) is movably sleeved on the anti-deformation rod (44), an insertion rod (48) is fixedly inserted into the rotating ring (47), a helical groove (51) is formed in the anti-deformation rod (44), one end of the insertion rod (48) is slidably arranged in the helical groove (51), a gear is fixedly sleeved on the rotating ring (47), penetrating strips (50) are connected to the upper surfaces of the upper punching seats (43), one end of each penetrating strip (50) movably penetrates out of the third mounting plate (41) and is connected with a transmission strip (49), and the teeth on the transmission strip (49) are meshingly connected with the gear.

2. The punch forming apparatus for high efficiency finned tube according to claim 1, wherein: The moving structure comprises a sleeve block (10) movably sleeved on each first fixed strip (9), two sleeve blocks (10) in each group are connected with a moving plate (11), the clamping structure is arranged on the moving plate (11), the moving plate (11) is connected with a driving plate (14) on the side close to the rotating column (3), the driving plate (14) is provided with a driving groove (15), the rotating column (3) and the fixed cylinder (4) are provided with an inner groove (16) close to the two ends, an electric push rod is arranged on the groove wall of one end of each inner groove (16), a through groove (12) is formed in the groove wall of each inner groove (16) corresponding to each group of first fixed strips (9), an end block (17) is arranged at one end of the output shaft of the electric push rod, the end block (17) is connected with two driving rods (13), the driving rods (13) pass through the through grooves (12) and then pass through the corresponding driving grooves (15) movably, the driving grooves (15) on the two driving plates (14) in each group are arranged in parallel.

3. The punch forming apparatus for high efficiency finned tube according to claim 2, wherein: The clamping structure comprises two third fixed strips (22) connected on the side of the moving plate (11) away from the rotating column (3), two T-shaped rods (21) are connected on each third fixed strip (22), a second fixed strip (18) is movably sleeved on each group of two T-shaped rods (21), a clamping ring (19) is arranged at one end of the second fixed strip (18), a limiting sleeve (20) is arranged on the side close to each other of each group of two clamping rings (19), a cylinder (23) is arranged at the middle of the side of the moving plate (11) away from the rotating column (3), a moving frame (24) is connected at one end of the output shaft of the cylinder (23), the penetrating rods (25) are fixedly arranged at the two ends of the moving frame (24), a connecting strip (28) is connected on each second fixed strip (18), an extrusion plate (26) is connected at one end of the connecting strip (28), an extrusion groove (27) is formed in the extrusion plate (26), and the penetrating rods (25) movably pass through the extrusion grooves (27).

4. The punch forming apparatus for high efficiency finned tube according to claim 1, wherein: The storage structure comprises two second installation plates (29) fastened on the feeding table (1) close to the front side through bolts, the top end of the second installation plate (29) is provided with a storage frame (30), the storage frame (30) is arranged to be inclined downward towards the first installation plate (2), and the lower end of the storage frame (30) is connected with an end plate (31).

5. The punch forming apparatus for high efficiency finned tube according to claim 1, wherein: The feeding structure comprises rotating rods (33) penetrating through both ends of the feeding table (1), belt pulleys (34) fixedly sleeved on the rotating rods (33) near both ends, belts (35) tightly sleeved between every two belt pulleys (34) of each group, multiple protrusions (37) arranged on each belt (35), mounting rods (38) connected to each protrusion (37), fixing plates (39) connected between every two mounting rods (38) of each group, a feeding seat (40) arranged at the middle of the fixing plate (39), and a second motor (36) installed at the rear end of the right side surface of the feeding table (1), with one end of the output shaft of the second motor (36) connected with one of the rotating rods (33).

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